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EP80579 Software for Security Applications on Intel
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QuickAssist Technology
August 2009 PG
Order Number: 320183-004US 17
Software Overview—Security Software
configuration parameters for example number of sessions to be supported, buffer pool
sizes, and so on. See Chapter 7.0, “ASD Module Architecture Overview” for more
details.
3.3.5 Shim Layers
Note: The EP80579 security software release package version 1.0.3 does not support
OpenBSD/FreeBSD Cryptographic Framework (OCF), OCF-Linux, or any open source
projects such as Openswan*, OpenSSL*, or Racoon*. If your application requires OCF,
you must use security software package version 1.0.2 which includes shim software to
enable OCF support.
This layer is intended for components which adapt, or “shim”, between the API provided
by EP80579 security software’s Acceleration API and that expected by industry-
standard frameworks.
In this release, the only component in this layer is the OCF shim, which allows the
lookaside crypto acceleration engine to be plugged in underneath the OpenBSD*/
FreeBSD* Cryptographic Framework (OCF). OCF is a service virtualization layer that
facilitates asynchronous access to cryptographic hardware accelerators. OCF-Linux is a
port of this framework to Linux. It enables cryptographic acceleration in the
Openswan* and OpenSSL* software suites.
A driver has been created which enables the Cryptographic API features to be accessed
via OCF. All operations supported by OCF today are accelerated. Specifically, the
following operations provided by OCF are accelerated by the OCF shim:
• Symmetric/Secret Key Crypto
— Ciphers/Modes: NULL_CBC, DES_CBC, 3DES_CBC, AES_CBC, ARC4
— Hash/Message Digest Functions: MD5, MD5_HMAC, SHA1, SHA1_HMAC,
SHA2_256, SHA2_256_HMAC, SHA2_384, SHA2_384_HMAC, SHA2_512,
SHA2_512_HMAC
—Chained Algorithms
• Asymmetric/Public Key Crypto
— Diffie-Hellman: DH_COMPUTE_KEY
— RSA: MOD_EXP, MOD_EXP_CRT
— DSA: DSA_SIGN, DSA_VERIFY
•Random Number Generation
See the [GET_STARTED_GD] for your operating system for detailed information.
Further information on OCF-Linux can be found here: http://ocf-linux.sourceforge.net
3.4 Development View
Table 4 describes the mapping between the software components described in
Section 3.3, “Logical View” on page 15, and the files and directories (folders) in which
they can be found.